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CLevel 1

CHEMISTRY

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C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

C07ORGANIC CHEMISTRY

C08ORGANIC MACROMOLECULAR COMPOUNDS

C10PETROLEUM, GAS OR COKE INDUSTRIES

C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES

C12BIOCHEMISTRY

C13SUGAR INDUSTRY

C23COATING METALLIC MATERIAL

C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES

C30CRYSTAL GROWTH

C40COMBINATORIAL TECHNOLOGY

C99SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION

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An open-source project by Colaberry Inc + Colaberry Research Labs1,000+ systems - 1.3M+ nodes - 321K+ edges

Data is provided for informational purposes only. We do not guarantee accuracy or completeness. Use at your own risk. For authoritative codes, consult the official source.